One vertex per element, one color per generator, with an edge from x to x·s.
(1,2,5,4)(3,7,8,6)(9,10)(11,14)(12,15)(13,16)(17,18,21,25)(19,23,20,30)(22,26,32,27)(24,29,31,28)(1,3)(2,6)(4,7)(5,8)(9,11,13,12)(10,14,16,15)(17,18)(19,24)(20,31)(21,25)(22,27)(23,28)(26,32)(29,30)(1,4,5,2)(3,7,8,6)(9,11,13,12)(10,15,16,14)(17,19)(18,23)(20,21)(22,29)(24,27)(25,30)(26,31)(28,32)(3,8)(6,7)(9,12,13,11)(10,15,16,14)(17,20)(18,24)(19,21)(22,29)(23,27)(25,31)(26,30)(28,32)A Cayley diagram is a choice, not a fact about the group. Another drawing of this group — in a book, or on a different generating set — may look nothing like this one.